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Rheumatology

Ishita Aggarwal, MD

Works at hospitals in San Francisco, CA · California

Summary

Dr. Ishita Aggarwal, MD is a rheumatologist at 2100 Webster St, Suite 112, San Francisco, CA 94115. Phone: (415) 923-3060. Accepts Medicare assignment. In 2024, Ishita Aggarwal had 151 Original Medicare patients and 18,798 services. NPI 1518385699. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Rheumatologist (Medicare lists Rheumatology)
  • Address: 2100 Webster St, Suite 112, San Francisco, CA 94115 · Directions
  • Phone: (415) 923‑3060
  • Medicare: Accepts Medicare assignment
  • Hospital: California Pacific Medical Center- Van Ness Campus
  • Group practice: Pacific Rheumatology Associates Medical Group
  • Medical school: New York University School Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ishita Aggarwal, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ishita Aggarwal accept Medicare assignment?
Yes. Medicare's clinician data says Ishita Aggarwal accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ishita Aggarwal see?
In 2024, CMS data shows 151 Original Medicare patients and 18,798 services for Ishita Aggarwal. This counts Original Medicare only and measures volume, not quality.
What is Ishita Aggarwal's NPI number?
1518385699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ishita Aggarwal, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients151
Services billed to Medicare18,798
Different services or procedures26
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)377 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)297 services
  3. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)72 services
  4. Administration of chemotherapy into vein, 1 hour or less (96413)42 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)41 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Arthritis75%
  • High blood pressure61%
  • Osteoporosis35%
  • Diabetes30%
  • Chronic kidney disease21%

Hospitals where Ishita Aggarwal works

Medicare's Facility Affiliation Data lists Ishita Aggarwal at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ishita Aggarwal is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ishita Aggarwal as a member of this group (CMS data updated October 2, 2026).

  • Pacific Rheumatology Associates Medical Group3 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All rheumatologists in San Francisco →

Other clinicians in Pacific Rheumatology Associates Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518385699
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians